メタデータ名 G20523546661
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0250000 38.3375000, 141.0312500 38.3375000, 141.0312500 38.3416667, 141.0250000 38.3416667, 141.0250000 38.3375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral